<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <link rel="stylesheet"  type="text/css"  href="111.css"/>
</head>
<body>
<ul id="nav">
    <li><a href="/">Home</a></li>
    <li><a href="/products">Products</a>
        <ul>
            <li><a href="/products/shoes">Shoes</a></li>
            <li><a href="/products/jackets">Jackets</a></li>
        </ul>
    </li>
</ul>
</body>
</html>